IMHE OpenIR  > 山地灾害与地表过程重点实验室
Alternative TitleRegulation Effect of Herringbone Water-sediment Separation Structure on the Substance and Energy Properties of Debris Flow
谢湘平1; 韦方强2; 王小军1; 杨红娟3
Source Publication工程科学与技术
Contribution Rank3
Other AbstractTo obtain a thorough understanding of the controlling effect for debris flow mitigation by herringbone water-sediment separation structure (HWSSS), systematic experimental researches was conducted. First, based on the characteristic of HWSSS, theoretical analyses on the substance and energy regulation functions and related evaluating parameters were proposed. The results show that the HWSSS exerts different sieving functions to different grain size classes of the sediments. The coarse sediment (diameter larger than grid opening width D) separation ratio was within the range of 0.8~1.0. The fine sediment (diameter smaller than grid opening width) separation ratio can be well expressed by a power function with the relative grid opening width (D/d_(fm)). The empirical formulas for calculating the total sediment separation rate by single structure (P_t) and multiple structure system (P_t(k)) were both developed. Generally, the separated sediments by HWSSS had a good sorting property, providing a possibility for the construction reuse. The density and velocity of discharged fluent, with smaller average diameter of solid particle and less sediment volume, were decreased. The theoretical calculation formula for the debris flow density after HWSSS regulating was also developed and verified by test data. All results are of great use in optimal design for HWSSS and developing series HWSSS system for debris flow mitigation.
Keyword泥石流 拦砂坝 鱼脊型水石分离结构 颗粒级配 泥沙分离率
Indexed ByEI ; CSCD
EI Accession NumberAccession number:20194307591617
Citation statistics
Document Type期刊论文
Corresponding Author韦方强
Recommended Citation
GB/T 7714
谢湘平,韦方强,王小军,等. 鱼脊型水石分离结构对泥石流的物质与能量调控效果试验研究[J]. 工程科学与技术,2019,51(5):49-59.
APA 谢湘平,韦方强,王小军,&杨红娟.(2019).鱼脊型水石分离结构对泥石流的物质与能量调控效果试验研究.工程科学与技术,51(5),49-59.
MLA 谢湘平,et al."鱼脊型水石分离结构对泥石流的物质与能量调控效果试验研究".工程科学与技术 51.5(2019):49-59.
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